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Sounders / Horns
MEDC DB3
db3

MEDC DB3 MEDC

Availability: Enquire about stock

Up to 118 dB(A) Exd(e), Weatherproof

POA excl. VAT

MEDC DB3 Details

This range of light weight all GRP, flameproof sounders is intended for use in potentially explosive gas and dust atmospheres and has been designed with high ingress protection to cope with the harsh environmental conditions found offshore and onshore in the oil, gas and petrochemical industries.

The flamepaths, flare and the body, are manufactured completely from a UV stable glass reinforced polyester. Stainless steel screws and sinter are incorporated thus ensuring a corrosion free product. A tapered flamepath is used to overcome the problems of assembly of parallel spigot flamepaths.

An optional Exe terminal chamber is available.

An uncertified version is available for use in non-explosive atmospheres.

Features

  • Zone 1, Zone 2 and non-Ex use.
  • UL Listed for USA and Canada
  • Hazardous locations:
  • Class I, Div 2, Groups A-D.
  • Class II, Div 2, Groups F & G
  • Class I, Zones 1 & 2, AExd IIC T5.
  • Ordinary locations: Audible-Signal Device.
  • Exde IIC T5.
  • ATEX approved, Ex II 2GD.
  • Optional Exe terminal chamber.
  • BASEEFA certified.
  • GOST ‘R’ & ‘K’ certified.
  • Chinese (CQST) certified.
  • Brazilian (Inmetro) certified.
  • IP66 and IP67.
  • Certified temperature:
  • –55°C to +70°C*.
  • –67°F to +158°F*.
  • All GRP corrosion free flamepaths.
  • Up to 118dBA output.
  • Integral volume control.
  • 27 tones, user selectable.
  • Tones comply with UK00A/PFEER guidelines.
  • Two tones may be switched via the external voltage supply – now available in a.c. and d.c. versions.
  • Tones may be programmed to customer specification.
  • d.c. version accepts any voltage between
  • 12V d.c. and 48V d.c.
  • End of line resistor option.
  • Sounder/Beacon Combination Unit available.
  • *Depending on version.
ManufacturerMEDC
CertificationATEX, IECEx, SIL 1 Certified, UL, GOST ‘R’ & ‘K’, CQST, Inmetro
FlameproofATEX Ex II 2GD, EExd(e) IIC T5
Area ClassificationZone 1, Zone 2 and non-Ex use.
Certified Ambient Temperature-20°C to +70°C (standard)
 -55°C to +55°C (low temp unit)
Ingress ProtectionIP66 & IP67
MaterialCorrosion-free GRP
EntriesUp to 2 x 20mm
Weight6.5kg (approx.)
No. of Tones27 user selectable tones and 5 optional
 programmable spaces.
OptionsBody colour, tag & duty labels,

two stage alarm (DB3P), low temperature version available,

EOL resistor, certification, terminal chamber

voltages 12V-48V d.c., 110V-254V a.c.

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Sounders / Horns
MEDC DB3